File content of '/home/name/.local/share/akonadi/db_data/mysql.err':140501 12:07:04 [Note] Plugin 'FEDERATED' is disabled.140501 12:07:04 InnoDB: The InnoDB memory heap is disabled140501 12:07:04 InnoDB: Mutexes and rw_locks use GCC atomic builtins140501 12:07:04 InnoDB: Compressed tables use zlib 1.2.8140501 12:07:04 InnoDB: Using Linux native AIO140501 12:07:04 InnoDB: Initializing buffer pool, size = 80.0M140501 12:07:04 InnoDB: Completed initialization of buffer poolInnoDB: Unable to lock ./ibdata1, error: 11InnoDB: Check that you do not already have another mysqld processInnoDB: using the same InnoDB data or log files.140501 12:07:04 InnoDB: Retrying to lock the first data file[...]InnoDB: Check that you do not already have another mysqld processInnoDB: using the same InnoDB data or log files.

Test 6: SUCCESS--------

MySQL server default configuration found.

Test 7: SKIP--------

MySQL server custom configuration not available.Details: The custom configuration for the MySQL server was not found but isoptional.

Test 8: SUCCESS--------

MySQL server configuration is usable.Details: The MySQL server configuration was found at <ahref='/home/name/.local/share/akonadi/mysql.conf'>/home/name/.local/share/akonadi/mysql.conf</a>and is readable.

Test 9: SUCCESS--------Test 10: ERROR--------

Akonadi control process not registered at D-Bus.Details: The Akonadi control process is not registered at D-Bus whichtypically means it was not started or encountered a fatal error duringstartup.

Test 11: ERROR--------

Akonadi server process not registered at D-Bus.Details: The Akonadi server process is not registered at D-Bus whichtypically means it was not started or encountered a fatal error duringstartup.

No resource agents found.Details: No resource agents have been found, Akonadi is not usable withoutat least one. This usually means that no resource agents are installed orthat there is a setup problem. The following paths have been searched:'/usr/share/akonadi/agents'. The XDG_DATA_DIRS environment variable is setto '/usr/share:/usr/local/share:/usr/share'; make sure this includes allpaths where Akonadi agents are installed.

Environment variable XDG_DATA_DIRS is set to'/usr/share:/usr/local/share:/usr/share'

Test 16: ERROR--------

Current Akonadi server error log found.Details: The Akonadi server reported errors during its current startup. Thelog can be found in <ahref='/home/name/.local/share/akonadi/akonadiserver.error'>/home/name/.local/share/akonadi/akonadiserver.error</a>.

Previous Akonadi server error log found.Details: The Akonadi server reported errors during its previous startup.The log can be found in <ahref='/home/name/.local/share/akonadi/akonadiserver.error.old'>/home/name/.local/share/akonadi/akonadiserver.error.old</a>.

I found a few other threads about it, although the files you attempted to delete should have handled a number of things. I'll try and take a look at this later, but it could be a number of things. Hopefully they get sorted out in the near future.

Thanks, I'll be paying close attention to the thread.How could I downgrade akonadi in the mean time?

EDIT: In the KDE Bug thread I found;Daniel Vrátil 2014-03-14 18:36:05 UTCHa! We found the culprit. GID is not supposed to be there, it's not a part. It looks like after an update you started KMail, but did not restart Akonadi, so KMail was sending the "GID" data, but Akonadi did not know it so it though it's a part type.